﻿/****************************************************************************************************
	Copyright (C) 2010 RapidWebDev Organization (http://rapidwebdev.org)
	Author: Eunge, Legal Name: Jian Liu, Email: eunge.liu@RapidWebDev.org

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************************************/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BaoJianSoft.Common.Validation
{
	/// <summary>
	/// The default validation exception in RapidWebDev validation scope.
	/// </summary>
	[global::System.Serializable]
	public class ValidationException : Exception
	{
		private IEnumerable<string> messages;

		/// <summary>
		/// Gets a message that describes the current exception.
		/// </summary>
		public override string Message
		{
			get
			{
				if (this.messages == null) 
					return base.Message;

				return this.messages.Concat("; ");
			}
		}

		/// <summary>
		/// Gets messages that describes the current exception.
		/// </summary>
		public IEnumerable<string> Messages
		{
			get { return this.messages; }
		}

		/// <summary>
		/// Constructor
		/// </summary>
		public ValidationException() { }

		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="message"></param>
		public ValidationException(string message) : base(message)
		{
			Kit.NotNull(message, "message");
			this.messages = new List<string> { message };
		}

		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="messages"></param>
		public ValidationException(IEnumerable<string> messages) : base(messages == null ? "" : messages.Concat("; "))
		{
			Kit.NotNull(messages, "messages");
			this.messages = messages;
		}

		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="message"></param>
		/// <param name="inner"></param>
		public ValidationException(string message, Exception inner) : base(message, inner) { }

		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="info"></param>
		/// <param name="context"></param>
		protected ValidationException(
		  System.Runtime.Serialization.SerializationInfo info,
		  System.Runtime.Serialization.StreamingContext context)
			: base(info, context) { }
	}
}

